Around 40 people have been killed after a bomb blast ripped through a mosque in a remote area of Pakistan.

The attack happened in the Upper Dir district in the north-west of the country.
"Around 40 people are killed. The death toll is 40.
"We have no idea as yet how many have been wounded," said government official Atif-ur-Rehman.

.....He warned that the death toll was likely to go up.On March 27, a suicide bomber attacked a crowded mosque in nearby Jamrud, killing about 50 people.Upper Dir is close to Swat valley where Pakistani security forces launched a major offensive last month to expel Taliban militants.Pakistani officials have warned that militants would strike back.The latest blast is the ninth bomb attack in the country since the offensive began.